Patents for G02F 1 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics (257,845)
04/1994
04/13/1994EP0591903A1 Phase type spatial light modulator and optical information processor employing the same
04/13/1994EP0591540A1 External modulator for optical communication
04/13/1994EP0591536A1 Phase plate
04/13/1994EP0591508A1 Electrooptical liquid crystal system
04/13/1994EP0591272A1 Dual anode flat panel electrophoretic display apparatus
04/13/1994EP0424461B1 Novel ferroelectric liquid-crystal polymers, process for producing said polymers and their use in electro-optical components
04/13/1994EP0300048B1 Color filter and production thereof
04/13/1994EP0266402B1 Method and apparatus for optical rf amplitude equalization
04/13/1994EP0264433B1 Method and apparatus for optical rf phase equalization
04/13/1994EP0235267B1 Method and apparatus for electro-optical color imaging
04/13/1994CN2161938Y Background light plate for liquid crystal indicator
04/13/1994CN2161937Y Electronic variable light glasses
04/13/1994CN1085352A Semiconductor device and method for forming the same
04/13/1994CN1024224C X-ray perspective projection liquid crystal light valve imaging system
04/13/1994CN1024220C Process for producing optical waveguide and product therefrom
04/12/1994US5303322 Tapered multilayer luminaire devices
04/12/1994US5303316 Optical beam scanner
04/12/1994US5303315 Near Z digital switch
04/12/1994US5303256 Quasi-monolithic saturable optical element
04/12/1994US5303250 Laser light generating apparatus
04/12/1994US5303247 Optical harmonic generating device for generating harmonic wave from fundamental wave and shorter wavelength laser generating apparatus in which fundamental wave of laser is converted to harmonic wave with the device
04/12/1994US5303232 High performance asynchronous transfer mode switch
04/12/1994US5303224 Optical pickup, optical information recording carrier and recording and reproducing apparatus thereof
04/12/1994US5303083 Polarized light recovery
04/12/1994US5303079 Tunable chirp, lightwave modulator for dispersion compensation
04/12/1994US5303076 Chiral smectic liquid crystal device with homogeneous orientation layer on electrodes and homeotropic between electrodes
04/12/1994US5303075 Liquid crystal display with phase difference plate having particular .DELTA.Δnxd at 45° angle to surface
04/12/1994US5303074 Embedded repair lines for thin film electronic display or imager devices
04/12/1994US5303073 Dispersion-type liquid crystal display element with oriented dichroic dye in the support media
04/12/1994US5303072 Liquid crystal display device
04/12/1994US5303032 Method of measuring the time for forming refractive index grating of a photo-nonlinear medium
04/12/1994US5302987 Active matrix substrate including connecting electrode with extended portion
04/12/1994US5302985 Overhead projector for LCD panel
04/12/1994US5302810 Method for rapid and uniform heating of a multilayer assembly comprising at least one thin layer based on an ion-conducting macromolecular material interleaved between two structures with high electronic conduction
04/12/1994US5302416 Process for producing polyacetylene or polyacene type long conjugated polymers
04/12/1994US5302235 Elimination of a bright "flash" caused by the change in brightness between the HOLD and ERASE mode by including a different anode being a series of lines congruent with and insulated from the grid
04/12/1994CA2042007C Digital optical switch
04/12/1994CA1328514C Method and apparatus for displaying a multicolor image
04/12/1994CA1328483C Digital signal transmission/reception using differential polarization modulation/demodulation
04/12/1994CA1328380C Method and apparatus for tilted alignment of liquid crystals with improved photostability
04/10/1994CA2108070A1 Materials, cells, devices and production method for color electrochemical displays
04/10/1994CA2106843A1 Adaptive drive waveform for reducing crosstalk effects in electro-optical addressing structures
04/06/1994EP0590984A1 A polymer dispersed liquid crystal complex film, a liquid crystal display device, and a method for producing the same
04/06/1994EP0590943A1 Optical filter
04/06/1994EP0590609A1 Electric appliance, its assembling method, and its housing structure
04/06/1994EP0590524A1 Defect detection and defect removal apparatus of thin film electronic device
04/06/1994EP0590511A1 Edge-lit transflective non-emissive display
04/06/1994EP0590474A1 Optical modulation device and method of driving the same
04/06/1994EP0590421A1 Copolymers with non-linear optical properties and their use
04/06/1994EP0590404A1 Multipurpose photochromic glass compositions
04/06/1994EP0590379A1 Optical transmission device for the transmission of optical signals in wavelength division multiplexing on a plurality of adjacent optical carrier wavelengths
04/06/1994EP0590291A2 Process for producing liquid crystal panel
04/06/1994EP0401344B1 Improved ridge array light valve device
04/06/1994CN2160924Y Liquid crystal goggle for avoiding incidence of instantaneous strong light
04/05/1994US5301201 Article comprising a tunable semiconductor laser
04/05/1994US5301069 Nonlinear rugate optical limiter
04/05/1994US5301058 Single sideband optical modulator for lightwave systems
04/05/1994US5301049 Liquid crystal device with at least two liquid crystal compounds, one having one not having a cholesteric phase
04/05/1994US5301048 Active matrix display device with Schottky contact switching elements
04/05/1994US5301046 Electro-optical device having a layer comprising an oblate liquid crystal dispersed in a resin and method for forming the same
04/05/1994US5301045 Helical liquid crystalline element which produces linear polarized light
04/05/1994US5301030 Optical illumination apparatus for a display unit with efficient light source polarization
04/05/1994US5301009 Frustrated total internal reflection optical power limiter
04/05/1994US5301008 Optical crossbar exchange arrangement
04/05/1994US5300966 Projector
04/05/1994US5300945 Dual oscillating drive circuit for a display apparatus having improved pixel off-state operation
04/05/1994US5300944 Video display system and method of using same
04/05/1994US5300942 High efficiency light valve projection system with decreased perception of spaces between pixels and/or hines
04/05/1994US5300858 Transparent electro-conductive film, and AC powder type EL panel and liquid crystal display using the same
04/05/1994US5300789 Article comprising means for modulating the optical transparency of a semiconductor body, and method of operating the article
04/05/1994US5300788 Light emitting diode bars and arrays and method of making same
04/05/1994US5300449 Active matrix substrate for liquid-crystal display and method of fabricating the active matrix substrate
04/05/1994US5300374 Blend of polyoxyethylene oxide block polymer and lithium salt
04/05/1994US5300254 Improved multiplexing capacity
04/05/1994CA2039207C Optical article for reflection modulation
04/05/1994CA1328318C Apparatus and method for providing a gray scale capability in a liquid crystal display unit
04/03/1994CA2103831A1 Multipurpose photochromic brown glasses
03/1994
03/31/1994WO1994007235A1 GREYSCALE ADDRESSING OF FLCDs
03/31/1994WO1994007233A1 Method to provide a display of pictures and means for this
03/31/1994WO1994007178A1 Integrated tunable optical filter
03/31/1994WO1994007177A1 Color filter system for display panels
03/31/1994WO1994007176A1 Non-linear optical layer structure
03/31/1994WO1994006885A1 Dioxane derivatives
03/31/1994DE4232038A1 Light intensity modulation device - uses liquid crystal sandwiched between opposing end faces of two optical fibre light guides
03/31/1994CA2144162A1 Greyscale addressing of flcds
03/30/1994EP0589713A2 A thin film semiconductor device and a method for producing the same
03/30/1994EP0589700A1 Device and apparatus for high speed tracking in a raster output scanner
03/30/1994EP0589654A1 Device and apparatus for scan line process direction control in a multicolor electrostatographic machine
03/30/1994EP0589651A1 Device and apparatus for scan line skew correction in an electrostatographic machine
03/30/1994EP0589519A2 Electronic device manufacture
03/30/1994EP0589478A2 Liquid crystal display device
03/30/1994EP0589331A1 Acetylene derivatives and liquid crystalline mixtures containing them
03/30/1994EP0589264A2 Liquid crystal display with non-rubbed substrates
03/30/1994EP0589179A1 Speckle-free display system using coherent light
03/30/1994EP0588979A1 Liquid crystal display with an optical fluid layer
03/30/1994EP0588937A1 Retroreflecting polarizer.
03/30/1994EP0429558B1 Diphenylylethanes and liquid crystalline phase
03/30/1994CN1084649A Liquid crystal molecule orienting method
03/29/1994US5299289 Polymer dispersed liquid crystal panel with diffraction grating
03/29/1994US5299170 Apparatus for measuring pulse width using two-photon absorption medium